Last updated: August 27, 2025
In December, the average temperature in Promna, Poland hovers around 2°C (35°F), with minimums plunging to -15°C (6°F) and maximums reaching up to 13°C (56°F). Expect 50 mm (2.0 in) of precipitation over approximately 10 days, accompanied by a high average humidity of 91%. Stay prepared for chilly and damp conditions!
In December in Promna, the average temperature is 2°C (35°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -15°C (6°F). Travelers should prepare for a chilly climate and pack accordingly to enjoy their visit.
In Promna in December, the precipitation amount is 50 mm (2.0 in) over a span of 10 days.
In Promna in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.
In Promna in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Promna.
UV Risk Categories
Weather in Promna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Promna, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 41 mm (1.6 inches) | 91% | low |
February Weather | 1°C (34°F) | 46 mm (1.8 inches) | 89% | low |
March Weather | 4°C (39°F) | 40 mm (1.6 inches) | 86% | moderate |
April Weather | 9°C (48°F) | 42 mm (1.7 inches) | 76% | moderate |
May Weather | 14°C (57°F) | 80 mm (3.2 inches) | 58% | high |
June Weather | 19°C (67°F) | 67 mm (2.6 inches) | 56% | very high |
July Weather | 20°C (68°F) | 85 mm (3.3 inches) | 56% | very high |
August Weather | 20°C (67°F) | 93 mm (3.6 inches) | 55% | high |
September Weather | 15°C (59°F) | 79 mm (3.1 inches) | 68% | high |
October Weather | 10°C (51°F) | 70 mm (2.8 inches) | 84% | moderate |
November Weather | 5°C (42°F) | 33 mm (1.3 inches) | 89% | low |
December Weather | 2°C (35°F) | 50 mm (2.0 inches) | 91% | low |